20211642736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{146021}}^1$

素因数の和:146281

約数の個数: 40

約数和(自身を含む): 40305576528

約数和(自身を除く): 20093933792

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 211, 328, 422, 656, 844, 1688, 3376, 8651, 17302, 34604, 69208, 138416, 146021, 292042, 584084, 1168168, 2336336, 5986861, 11973722, 23947444, 30810431, 47894888, 61620862, 95789776, 123241724, 246483448, 492966896, 1263227671, 2526455342, 5052910684, 10105821368, 20211642736]

約数ペア:

[(1, 20211642736), (2, 10105821368), (4, 5052910684), (8, 2526455342), (16, 1263227671), (41, 492966896), (82, 246483448), (164, 123241724), (211, 95789776), (328, 61620862), (422, 47894888), (656, 30810431), (844, 23947444), (1688, 11973722), (3376, 5986861), (8651, 2336336), (17302, 1168168), (34604, 584084), (69208, 292042), (138416, 146021)]